Base | Representation |
---|---|
bin | 10001110010001100001… |
… | …001011100111010001100 |
3 | 11022211111210011011000020 |
4 | 101302030021130322030 |
5 | 130010401213000022 |
6 | 2333233551502140 |
7 | 154203215412624 |
oct | 21621411347214 |
9 | 4284453134006 |
10 | 1222122000012 |
11 | 431332010131 |
12 | 178a32227950 |
13 | 8b3267b4044 |
14 | 43218585884 |
15 | 21bcbdb735c |
hex | 11c8c25ce8c |
1222122000012 has 24 divisors (see below), whose sum is σ = 2857287234816. Its totient is φ = 406564109328.
The previous prime is 1222121999983. The next prime is 1222122000031. The reversal of 1222122000012 is 2100002212221.
It is a junction number, because it is equal to n+sod(n) for n = 1222121999955 and 1222122000000.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101230048 + ... + 101242119.
It is an arithmetic number, because the mean of its divisors is an integer number (119053634784).
Almost surely, 21222122000012 is an apocalyptic number.
1222122000012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1222122000012 is an abundant number, since it is smaller than the sum of its proper divisors (1635165234804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222122000012 is a wasteful number, since it uses less digits than its factorization.
1222122000012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202472677 (or 202472675 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 1222122000012 its reverse (2100002212221), we get a palindrome (3322124212233).
The spelling of 1222122000012 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-two million, twelve", and thus it is an aban number.
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